Two-Step Equations

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What is a two-step equation?

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A two-step equation is an algebraic equation that requires two operations to solve for the variable. It typically involves addition or subtraction followed by multiplication or division.

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CCSS.7.EE.B.4A

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How do you isolate a variable in a two-step equation?

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To isolate a variable, perform the inverse operations in reverse order: first eliminate any addition or subtraction, then eliminate multiplication or division.

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CCSS.7.EE.B.4A

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CCSS.6.EE.B.7

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CCSS.7.EE.B.4A

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CCSS.7.EE.B.4A

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CCSS.7.EE.B.4A

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What does it mean to 'get rid of the fraction' in an equation?

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It means to eliminate the fraction by multiplying both sides of the equation by the denominator.

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CCSS.8.EE.C.7B

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CCSS.7.EE.B.4A

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CCSS.7.EE.B.4A

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What is the inverse operation of addition?

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Subtraction.

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CCSS.2.NBT.B.5